code: def test_init(self, lab, issue_manager):
      assert issue_manager.datalab == lab
  
file_path: cleanlab/tests/datalab/issue_manager/test_null.py
imports: import numpy
  import pytest
  from hypothesis.extra.numpy import arrays, array_shapes
  from hypothesis.strategies import floats, just
  from hypothesis import HealthCheck, given, settings
  from cleanlab.datalab.internal.issue_manager.null import NullIssueManager
label_desc: Use image node_id 4 for calling the TestNullIssueManager obj's underlying member method code with example usage: obj.test_init(lab, issue_manager) without return types